# General **URL:** https://forums.docker.com/c/docker-engine/de/13.md?page=2 [Latest](https://forums.docker.com/latest.md) · [Categories](https://forums.docker.com/categories.md) · [Tags](https://forums.docker.com/tags.md) **Page:** 3 --- ## [✘ Image n8nio/n8n:latest Error Get "https://registry-1.docker.io/v2/": tls: failed to verify certificate: x509: certificate sig... 16.1s Error response from daemon: Get "https://registry-1.docker.io/v2/": tls: failed to verify certificate](https://forums.docker.com/t/image-n8nio-n8n-latest-error-get-https-registry-1-docker-io-v2-tls-failed-to-verify-certificate-x509-certificate-sig-16-1s-error-response-from-daemon-get-https-registry-1-docker-io-v2-tls-failed-to-verify-certificate/150701)
**Author:** [@cyber222](https://forums.docker.com/u/cyber222)\ **Replies:** 1\ **Last updated:** [December 24, 2025, 9:04am UTC](https://forums.docker.com/t/image-n8nio-n8n-latest-error-get-https-registry-1-docker-io-v2-tls-failed-to-verify-certificate-x509-certificate-sig-16-1s-error-response-from-daemon-get-https-registry-1-docker-io-v2-tls-failed-to-verify-certificate/150701 "2025-12-24T09:04:39Z")
✘ Image n8nio/n8n:latest Error Get “https://registry-1.docker.io/v2/”: tls: failed to verify certificate: x509: certificate sig… 16.1s Error response from daemon: Get “https://registry-1.docker.io/v2/”: … --- ## [What is the canonical way to use IPv6 with docker?](https://forums.docker.com/t/what-is-the-canonical-way-to-use-ipv6-with-docker/150680)
**Author:** [@zugschlus](https://forums.docker.com/u/zugschlus)\ **Replies:** 3\ **Last updated:** [December 23, 2025, 12:45pm UTC](https://forums.docker.com/t/what-is-the-canonical-way-to-use-ipv6-with-docker/150680 "2025-12-23T12:45:01Z")
Hi, I am following up to my issue from June, Update to docker-ce 28.2.2 breaks bridge networking to container , which was not solved back then. after half a year, I now want to upgrade to current docker-ce and current D… --- ## [How to copy a volume with Docker not running](https://forums.docker.com/t/how-to-copy-a-volume-with-docker-not-running/150641)
**Author:** [@sigfrid1](https://forums.docker.com/u/sigfrid1)\ **Replies:** 2\ **Last updated:** [December 15, 2025, 10:15pm UTC](https://forums.docker.com/t/how-to-copy-a-volume-with-docker-not-running/150641 "2025-12-15T22:15:27Z")
Hi everyone, I don’t know what happened but today a Ubuntu server crashed and after restarting it Docker is no longer working. When I try to boot it, I get ~$sudo service docker start Job for docker.service failed bec… --- ## [Docker pull error read: connection reset by peer - with some builds](https://forums.docker.com/t/docker-pull-error-read-connection-reset-by-peer-with-some-builds/150616)
**Author:** [@lotterbart](https://forums.docker.com/u/lotterbart)\ **Replies:** 5\ **Last updated:** [December 15, 2025, 9:01am UTC](https://forums.docker.com/t/docker-pull-error-read-connection-reset-by-peer-with-some-builds/150616 "2025-12-15T09:01:21Z")
Hello, I have a strange problem with Docker Briefly about my setup - Ubuntu Server, Internet via proxy Vaultwarden - no problem I want to, for example, pull WordPress - so docker pull wordpress - but there is an error … --- ## [ZFS error on Docker Engine 29](https://forums.docker.com/t/zfs-error-on-docker-engine-29/150387)
**Author:** [@lb88](https://forums.docker.com/u/lb88)\ **Replies:** 13\ **Last updated:** [December 9, 2025, 11:03am UTC](https://forums.docker.com/t/zfs-error-on-docker-engine-29/150387 "2025-12-09T11:03:07Z")
Hi, I updated to docker 29 today and instantly docker crashed. Checking journalctl revealed the following error: failed to start daemon: configured driver "zfs" not available: unavailable This is my daemon.json file: {… --- ## [Sandboxing AI agents with MCP servers](https://forums.docker.com/t/sandboxing-ai-agents-with-mcp-servers/150586)
**Author:** [@pavithramadhan2507](https://forums.docker.com/u/pavithramadhan2507)\ **Replies:** 3\ **Last updated:** [December 7, 2025, 5:44pm UTC](https://forums.docker.com/t/sandboxing-ai-agents-with-mcp-servers/150586 "2025-12-07T17:44:46Z")
Hi all, I’m a student building a terminal AI agent that uses MCP servers (filesystem, Python, shell tools) and want to sandbox it properly as a security learning project. Current understanding: I need to isolate the a… --- ## [Bind mount host permissions](https://forums.docker.com/t/bind-mount-host-permissions/150581)
**Author:** [@kristn1](https://forums.docker.com/u/kristn1)\ **Replies:** 3\ **Last updated:** [December 6, 2025, 10:17pm UTC](https://forums.docker.com/t/bind-mount-host-permissions/150581 "2025-12-06T22:17:50Z")
Hi, I do not have a technical problem really, just looking for advice: I have a host directory which is dedicated for bind mounts (var/foo). Under that, there is a directory for each user, owned by them and managed by… --- ## [Docker fails to start on Debian 13 (kernel 6.12.58) -\> Unit failed to load properly, Device or resource busy](https://forums.docker.com/t/docker-fails-to-start-on-debian-13-kernel-6-12-58-unit-failed-to-load-properly-device-or-resource-busy/150545)
**Author:** [@janbaggerag](https://forums.docker.com/u/janbaggerag)\ **Replies:** 4\ **Last updated:** [December 5, 2025, 9:25am UTC](https://forums.docker.com/t/docker-fails-to-start-on-debian-13-kernel-6-12-58-unit-failed-to-load-properly-device-or-resource-busy/150545 "2025-12-05T09:25:03Z")
Hi all, I’m trying to install Docker on an embedded controller running Debian 13 with a 6.12.58 kernel, but Docker refuses to start. The installation completes without errors, but the daemon immediately fails. This is … --- ## [Docker SNAT iptables and ipv4.ip\_local\_port\_range](https://forums.docker.com/t/docker-snat-iptables-and-ipv4-ip-local-port-range/150385)
**Author:** [@admt](https://forums.docker.com/u/admt)\ **Replies:** 2\ **Last updated:** [December 4, 2025, 9:56pm UTC](https://forums.docker.com/t/docker-snat-iptables-and-ipv4-ip-local-port-range/150385 "2025-12-04T21:56:01Z")
Hi. I have few servers with ubuntu + docker + iptables firewall rules. I’m blocking all ports less 30000 by default and allowing 30000:65535. I have the following rule in raw table: \*raw :PREROUTING DROP \[0:0\] :OUTPU… --- ## [After update networking fails with rootless Docker](https://forums.docker.com/t/after-update-networking-fails-with-rootless-docker/150458)
**Author:** [@galaxytrucker](https://forums.docker.com/u/galaxytrucker)\ **Replies:** 22\ **Last updated:** [December 3, 2025, 6:18am UTC](https://forums.docker.com/t/after-update-networking-fails-with-rootless-docker/150458 "2025-12-03T06:18:21Z")
Docker version 29.0.2 (rootless) for example: docker run -it -p 3000:3080 alpine ash Error response from daemon: failed to set up container networking: driver failed programming external connectivity on endpoint …… f… --- ## [Docker 29.1.0 - DNS issues](https://forums.docker.com/t/docker-29-1-0-dns-issues/150539)
**Author:** [@oblivian](https://forums.docker.com/u/oblivian)\ **Replies:** 3\ **Last updated:** [November 28, 2025, 2:57pm UTC](https://forums.docker.com/t/docker-29-1-0-dns-issues/150539 "2025-11-28T14:57:45Z")
Hello, After upgrading to 29.1.0, containers no longer use the DNS settings from the host. I see this on multiple hosts. I have to manually add per container: service: app: dns: - 1.1.1.1 - 1.0.0.1 Even setting t… --- ## [Docker Failed to enable the sandbox using docker-php-ext-install](https://forums.docker.com/t/docker-failed-to-enable-the-sandbox-using-docker-php-ext-install/150323)
**Author:** [@c00k13z](https://forums.docker.com/u/c00k13z)\ **Replies:** 10\ **Last updated:** [November 25, 2025, 7:19am UTC](https://forums.docker.com/t/docker-failed-to-enable-the-sandbox-using-docker-php-ext-install/150323 "2025-11-25T07:19:41Z")
I have try docker-php-ext-install in Dockerfile, but I’ve error when see --progress=plain Here is my Dockerfile: FROM php:8.3-fpm WORKDIR public\_html/pukis RUN apt-get update && apt-get install -y tzdata ENV TZ=Asia/… --- ## [I can't boot into my computer because Docker fails to start?](https://forums.docker.com/t/i-cant-boot-into-my-computer-because-docker-fails-to-start/150493)
**Author:** [@wtnoooo](https://forums.docker.com/u/wtnoooo)\ **Replies:** 1\ **Last updated:** [November 24, 2025, 9:39pm UTC](https://forums.docker.com/t/i-cant-boot-into-my-computer-because-docker-fails-to-start/150493 "2025-11-24T21:39:47Z")
Hi all, I’m on Manjaro Linux (whichever version is most recent) trying to use docker to host a Jellyfin server for my music collection, using Firefox to interact with the program running in the container. At ome point, … --- ## [How can i find out which container is causing my overlay2 folder to grow and crash my VM?](https://forums.docker.com/t/how-can-i-find-out-which-container-is-causing-my-overlay2-folder-to-grow-and-crash-my-vm/150374)
**Author:** [@m2jessa](https://forums.docker.com/u/m2jessa)\ **Replies:** 15\ **Last updated:** [November 23, 2025, 6:12pm UTC](https://forums.docker.com/t/how-can-i-find-out-which-container-is-causing-my-overlay2-folder-to-grow-and-crash-my-vm/150374 "2025-11-23T18:12:54Z")
I have a 60gb Ubuntu VM setup for running docker + all my containers. But, I keep running into the problem that the overlay2 folder is growing exponentially and causing my VM to crash. This is the ncdu -x of my docker … --- ## [Registry not at root URL](https://forums.docker.com/t/registry-not-at-root-url/150456)
**Author:** [@msherms](https://forums.docker.com/u/msherms)\ **Replies:** 4\ **Last updated:** [November 21, 2025, 3:45pm UTC](https://forums.docker.com/t/registry-not-at-root-url/150456 "2025-11-21T15:45:46Z")
This has been asked a few times over the years but nothing recent. From the documentation it really looks like Docker at some point attempted to support this, but I can’t seem to find anything that works. I used to have… --- ## [Docker 29 increased minimum API version, breaks Traefik reverse proxy](https://forums.docker.com/t/docker-29-increased-minimum-api-version-breaks-traefik-reverse-proxy/150384)
**Author:** [@bluepuma77](https://forums.docker.com/u/bluepuma77)\ **Replies:** 20\ **Last updated:** [November 20, 2025, 11:44pm UTC](https://forums.docker.com/t/docker-29-increased-minimum-api-version-breaks-traefik-reverse-proxy/150384 "2025-11-20T23:44:51Z")
Please note that Docker 29 increased the minimum required API version. It’s currently not compatible with Traefik Docker configuration discovery: "Error response from daemon: client version 1.24 is too old. Minimum su… --- ## [Systemctl daemon-reload reset docker container cgroup](https://forums.docker.com/t/systemctl-daemon-reload-reset-docker-container-cgroup/150361)
**Author:** [@lisiyuan199105](https://forums.docker.com/u/lisiyuan199105)\ **Replies:** 4\ **Last updated:** [November 20, 2025, 8:29pm UTC](https://forums.docker.com/t/systemctl-daemon-reload-reset-docker-container-cgroup/150361 "2025-11-20T20:29:39Z")
We are seeing the following behavior on one of our AWS instance: root@ip-10-8-40-48:/sys/fs/cgroup/system.slice/docker-7c27c485ca518ce503bcde8c3565a3fbffa0abee9bed8994951bc2bd1e8a84bf.scope$ cat memory.swap.max 0 r… --- ## [Pulling docker image is not detecting the .env file variables](https://forums.docker.com/t/pulling-docker-image-is-not-detecting-the-env-file-variables/150466)
**Author:** [@prateeksaksoft27](https://forums.docker.com/u/prateeksaksoft27)\ **Replies:** 1\ **Last updated:** [November 20, 2025, 11:44am UTC](https://forums.docker.com/t/pulling-docker-image-is-not-detecting-the-env-file-variables/150466 "2025-11-20T11:44:02Z")
Hi, I am new to Docker. I created an image for a streamlit-based chatbot app, and pushed it to docker hub repository. Initially I had created a repository but due to name mismatch, it was uploaded to a new repository tha… --- ## [Two daemon Docker : 2nd daemon attempting to use 1st containers](https://forums.docker.com/t/two-daemon-docker-2nd-daemon-attempting-to-use-1st-containers/150357)
**Author:** [@markwright](https://forums.docker.com/u/markwright)\ **Replies:** 9\ **Last updated:** [November 18, 2025, 2:43pm UTC](https://forums.docker.com/t/two-daemon-docker-2nd-daemon-attempting-to-use-1st-containers/150357 "2025-11-18T14:43:58Z")
I need to run two instances of docker on the same Ubuntu 22 (or 24) server. I know this is possible via e.g. \[this URL\] and \[this URL\] 1 2 The first dockerd is already running via the default Ubuntu install and settings… --- ## [Docker 29 breaks policy routing](https://forums.docker.com/t/docker-29-breaks-policy-routing/150414)
**Author:** [@kevnetit](https://forums.docker.com/u/kevnetit)\ **Replies:** 7\ **Last updated:** [November 16, 2025, 1:00pm UTC](https://forums.docker.com/t/docker-29-breaks-policy-routing/150414 "2025-11-16T13:00:52Z")
Hi! After updating to Docker 29 my policy routing between my containers break. I’ve two containers: Container “A” in subnet: 10.250.250.0/30 Container “B” in subnet: 10.250.200.8/29 Every docker network is a user-de… --- ## [How to migrate a single container from one server to another server?](https://forums.docker.com/t/how-to-migrate-a-single-container-from-one-server-to-another-server/150396)
**Author:** [@vickyvikas7988](https://forums.docker.com/u/vickyvikas7988)\ **Replies:** 3\ **Last updated:** [November 15, 2025, 4:38pm UTC](https://forums.docker.com/t/how-to-migrate-a-single-container-from-one-server-to-another-server/150396 "2025-11-15T16:38:16Z")
Hi experts, Server 1 Server 2 On server 1 I have a container running abc and I would like to copy the container to Server 2. Is it possible? Is it possible to do it using docker checkpoint? Is it possible to cold mi… --- ## [Sound devices keep dropping from container](https://forums.docker.com/t/sound-devices-keep-dropping-from-container/150405)
**Author:** [@jgnoonan1961](https://forums.docker.com/u/jgnoonan1961)\ **Replies:** 3\ **Last updated:** [November 14, 2025, 11:59am UTC](https://forums.docker.com/t/sound-devices-keep-dropping-from-container/150405 "2025-11-14T11:59:00Z")
I have a docker container that maps sound devices (speaker and microphone) from the host to the container. Periodically, the container loses these devices and running aplay -l and arecord -l in the container shows the d… --- ## [Does docker support a read-only image store that can be rsynced?](https://forums.docker.com/t/does-docker-support-a-read-only-image-store-that-can-be-rsynced/150406)
**Author:** [@infiniteverma](https://forums.docker.com/u/infiniteverma)\ **Replies:** 1\ **Last updated:** [November 14, 2025, 5:50am UTC](https://forums.docker.com/t/does-docker-support-a-read-only-image-store-that-can-be-rsynced/150406 "2025-11-14T05:50:46Z")
Hi Team. I have a general query. The default behavior of docker is interleaving image layers/metadata with temporary + container data. Is there a configuration that can be applied to docker engine such that images are p… --- ## [Docker fails to run on Debian (bullseye) after update "unable to start container process: error during container init: open sysctl net.ipv4.ip\_unprivileged\_port\_start file: reopen fd 8: permission denied: unknown"](https://forums.docker.com/t/docker-fails-to-run-on-debian-bullseye-after-update-unable-to-start-container-process-error-during-container-init-open-sysctl-net-ipv4-ip-unprivileged-port-start-file-reopen-fd-8-permission-denied-unknown/150363)
**Author:** [@c11umw](https://forums.docker.com/u/c11umw)\ **Replies:** 9\ **Last updated:** [November 13, 2025, 3:59pm UTC](https://forums.docker.com/t/docker-fails-to-run-on-debian-bullseye-after-update-unable-to-start-container-process-error-during-container-init-open-sysctl-net-ipv4-ip-unprivileged-port-start-file-reopen-fd-8-permission-denied-unknown/150363 "2025-11-13T15:59:39Z")
Fatal Docker Error after running an apt-get update. No containers were \[re\]started and they returned the following error when trying to start manually: docker: Error response from daemon: failed to create task for con… --- ## [XWayland applications mini freeze](https://forums.docker.com/t/xwayland-applications-mini-freeze/139182)
**Author:** [@bitmapkid](https://forums.docker.com/u/bitmapkid)\ **Replies:** 10\ **Last updated:** [November 9, 2025, 9:22am UTC](https://forums.docker.com/t/xwayland-applications-mini-freeze/139182 "2025-11-09T09:22:11Z")
GUI applications launched from a docker and through XWayland experience mini freezes. Passing the mouse over a menu and letting the application deploy that menu causes this issue. The application freezes for maximum 3 se… --- ## [What could be preventing SYN-ACK response?](https://forums.docker.com/t/what-could-be-preventing-syn-ack-response/150250)
**Author:** [@karypid](https://forums.docker.com/u/karypid)\ **Replies:** 3\ **Last updated:** [November 5, 2025, 9:36pm UTC](https://forums.docker.com/t/what-could-be-preventing-syn-ack-response/150250 "2025-11-05T21:36:13Z")
Hello, I have a networking issue that I think is docker-specific due to tcpdump output. Below is a detailed description but the summary is: I have a privoxy server that is not reachable from a specific IP range becaus… --- ## [Daemon.json being modified to use overlay2 doesnt work](https://forums.docker.com/t/daemon-json-being-modified-to-use-overlay2-doesnt-work/150301)
**Author:** [@raadtotheraad](https://forums.docker.com/u/raadtotheraad)\ **Replies:** 4\ **Last updated:** [November 2, 2025, 3:40pm UTC](https://forums.docker.com/t/daemon-json-being-modified-to-use-overlay2-doesnt-work/150301 "2025-11-02T15:40:17Z")
Editing the daemon.json copy pasted original from this documentation page doesn’t work and doesn’t let docker start: { "storage-driver": "overlay2" } Any way to get help? Logs are here: ░ The job identifier is 10512… --- ## [Fresh docker installation issue](https://forums.docker.com/t/fresh-docker-installation-issue/150274)
**Author:** [@adam8686](https://forums.docker.com/u/adam8686)\ **Replies:** 2\ **Last updated:** [October 31, 2025, 7:11pm UTC](https://forums.docker.com/t/fresh-docker-installation-issue/150274 "2025-10-31T19:11:37Z")
Hi guys, I just have downloaded and istalled docker. I have followed this guide : Build and push your first image | Docker Docs but its not working for me. Can someone help me pelease ? I have never used docker before… --- ## [There's new nginx image, but i can't pull it?](https://forums.docker.com/t/theres-new-nginx-image-but-i-cant-pull-it/150213)
**Author:** [@tiffanylynch](https://forums.docker.com/u/tiffanylynch)\ **Replies:** 9\ **Last updated:** [October 24, 2025, 9:37pm UTC](https://forums.docker.com/t/theres-new-nginx-image-but-i-cant-pull-it/150213 "2025-10-24T21:37:42Z")
i was notified (twice) of a new nginx image on latest tag with 35fab ID, and the one i have on my server is 07ccd. when i try as simple as docker pull nginx, it tells me the image is already up to date, while docker moni… --- ## [Cannot connect from php container to mysql server (host or mysql container)](https://forums.docker.com/t/cannot-connect-from-php-container-to-mysql-server-host-or-mysql-container/150228)
**Author:** [@tuulia](https://forums.docker.com/u/tuulia)\ **Replies:** 2\ **Last updated:** [October 24, 2025, 7:41am UTC](https://forums.docker.com/t/cannot-connect-from-php-container-to-mysql-server-host-or-mysql-container/150228 "2025-10-24T07:41:02Z")
Cannot connect from php container to mysql server. I have a problem on my development server, which is blocking me to use Docker containers to connect to mysql servers on my host or in a mysql container. I always get … [Previous page](https://forums.docker.com/c/docker-engine/de/13.md?page=1) [Next page](https://forums.docker.com/c/docker-engine/de/13.md?page=3)